Can women make dua in their menstruation and postnatal periods?
Women can make dua and recite the verses that bear the meaning of dhikr and dua in their menstruation and postnatal periods. Besides, they can recite kalimat al-shahadah, kalimat al-tawhid, invocation for repentance, and salawat. They can also read the books of Qur’anic exegesis, hadith, and fiqh, and examine them (See. Ibn Nujaym, al-Bahr, I, 210; Aliyy al-qari, Fath Bab al-‘inayah, I, 142; Ibn Abidin, Radd al-Muhtar, I, 319-320; Shirbini, Mughni al-Muhtaj, I, 120-121, 172).
Source: Presidency Of Religious Affairs The Turkey, High Board of Religious Affairs FATWAS